High-quality double-walled carbon nanotubes produced by catalytic decomposition of benzene

Seung Chul Lyu; Bao Chun Liu; Cheol Jin Lee; Hee Kwang Kang; Cheol Woong Yang; Chong Yun Park

doi:10.1021/cm030309s

High-quality double-walled carbon nanotubes produced by catalytic decomposition of benzene

Seung Chul Lyu, Bao Chun Liu, Cheol Jin Lee, Hee Kwang Kang, Cheol Woong Yang, Chong Yun Park

Research output: Contribution to journal › Article › peer-review

71 Citations (Scopus)

Abstract

High-quality double-walled carbon nanotubes (DWNTs) have been produced by catalytic decomposition of benzene over Fe-Mo/Al₂O₃ catalyst at 900 °C. The produced carbon materials are DWNT bundles free of amorphous carbon covering on the surface, DWNTs have inner tube diameters in the range of 0.69-2.53 nm and outer tube diameters in the range of 1.44-3.30 nm. The interlayer spacing between graphene layers ranges from 0.35 to 0.38 nm. Transmission electron microscopy and Raman analysis show that produced carbon materials have a low defect level in the atomic carbon structure, indicating the synthesis of high-quality DWNTs. Our results demonstrate that benzene is an ideal carbon feedstock to synthesize high-purity DWNTs over Fe-Mo/Al ₂O₃ catalyst.

Original language	English
Pages (from-to)	3951-3954
Number of pages	4
Journal	Chemistry of Materials
Volume	15
Issue number	20
DOIs	https://doi.org/10.1021/cm030309s
Publication status	Published - 2003 Oct 7
Externally published	Yes

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)
Materials Chemistry

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10.1021/cm030309s

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title = "High-quality double-walled carbon nanotubes produced by catalytic decomposition of benzene",

abstract = "High-quality double-walled carbon nanotubes (DWNTs) have been produced by catalytic decomposition of benzene over Fe-Mo/Al2O3 catalyst at 900 °C. The produced carbon materials are DWNT bundles free of amorphous carbon covering on the surface, DWNTs have inner tube diameters in the range of 0.69-2.53 nm and outer tube diameters in the range of 1.44-3.30 nm. The interlayer spacing between graphene layers ranges from 0.35 to 0.38 nm. Transmission electron microscopy and Raman analysis show that produced carbon materials have a low defect level in the atomic carbon structure, indicating the synthesis of high-quality DWNTs. Our results demonstrate that benzene is an ideal carbon feedstock to synthesize high-purity DWNTs over Fe-Mo/Al 2O3 catalyst.",

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AU - Lyu, Seung Chul

AU - Liu, Bao Chun

AU - Lee, Cheol Jin

AU - Kang, Hee Kwang

AU - Yang, Cheol Woong

AU - Park, Chong Yun

PY - 2003/10/7

Y1 - 2003/10/7

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AB - High-quality double-walled carbon nanotubes (DWNTs) have been produced by catalytic decomposition of benzene over Fe-Mo/Al2O3 catalyst at 900 °C. The produced carbon materials are DWNT bundles free of amorphous carbon covering on the surface, DWNTs have inner tube diameters in the range of 0.69-2.53 nm and outer tube diameters in the range of 1.44-3.30 nm. The interlayer spacing between graphene layers ranges from 0.35 to 0.38 nm. Transmission electron microscopy and Raman analysis show that produced carbon materials have a low defect level in the atomic carbon structure, indicating the synthesis of high-quality DWNTs. Our results demonstrate that benzene is an ideal carbon feedstock to synthesize high-purity DWNTs over Fe-Mo/Al 2O3 catalyst.

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